{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process parameter", "application", "material", "biomedical", "enabling technology", "concept or principle"], "input": "The energy focal point is also where the material is delivered and so there is a periodic melting followed by rapid solidification ."}
{"process parameter": [], "application": [], "material": ["material"], "biomedical": [], "enabling technology": [], "concept or principle": []}